Waveshare 11638 - Raspberry Pi Expansion Board, Power Relay The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent. RPI RELAY BOARD FEATURES Supports Raspberry Pi A /B /2B/3B High quality relays, loads up to 250VAC/5A, 30VDC/5A Photo coupling isolation, prevent interference from high voltage circuit Onboard LEDs for indicating relays status Relay control jumper, allows to control the relays by custom pins other than the default pins Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835 WHAT'S ON THE RPI RELAY BOARD Raspberry Pi GPIO interface: for connecting Raspberry Pi Relay screw terminal: for connecting target devices Relays Photocoupler: PC817 Relay indicator LED on: relay NC is opened, NO is closed LED off: relay NC is closed, NO is opened Power indicator Relay control jumper short the jumper: control the relays by default I/Os used in the example code open the jumper: control the relays by custom I/Os through jumper wires PHOTOS RPi Relay Board RPi Relay Board back view RPi Relay Board connecting with Raspberry Pi Control the lamp by mobile phone Note : the Pi in the photos is NOT included. DIMENSIONS DEVELOPMENT RESOURCES Wiki : www.waveshare.com/wiki/RPi_Relay_Board
